down (soft, fine feathers) · down, fuzz (on face, peach, etc) · sleeping bag
çekim: çoğul duvets
eş: sac de couchage
köken: Inherited from Middle French duvet, from Old French duvet (“down, the feathers of young birds”), alteration of dumet, dumect, from Old French dum, dun (“down, feathers”), from Old Norse dúnn (“down, down feather”), from Proto-Germanic *dūnaz (“down”), from Proto-Indo-European *dʰewh₂- (“to smoke, fume, raise dust”). Cognate with Danish dun (“down”), German Daune (“down”). More at English down.
fluff (something inconsequential), froth (unimportant talk), hot air (empty talk), waffle (pretentious phrasing); a flimsy, insubstantial speech or work · unesthetic little wad of wool that forms on wool clothes
vellus hair, or hair with similar characteristics · a whisker in a maturing state between vellus hair and terminal hair
çekim: çoğul fjuns · tamlayan fjuns
köken: Unknown origin. Possibly inherited from Old Norse fīƀuna- or fīṷuna-. Attested since 1538. Cognate with Norwegian fjon and fjun, and Danish fyn (“cottongrass”).
From Proto-Germanic *fnukaz, cognate with Swedish fnåk, Swedish fnugg, Swedish fnagg, Norwegian fnokk, and Icelandic fnykur. The ultimate origin is obscure, but perhaps an expressive or imitative formation. Compare also English fluff.